I'm having the same problem when PXE-booting nodes in the latest 13.04 release of MAAS (after following the install instructions.) I can confirm that changing all references of 'mirror' to 'choose-mirror' in the file /usr/share/maas/preseeds/generic solves the problem. This needs to be fixed.
I'm having the same problem when PXE-booting nodes in the latest 13.04 release of MAAS (after following the install instructions.) I can confirm that changing all references of 'mirror' to 'choose-mirror' in the file /usr/share/ maas/preseeds/ generic solves the problem. This needs to be fixed.